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keyword

list 20 common harmful substances

Monthly search volume and cost-per-click data for "list 20 common harmful substances" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=list+20+common+harmful+substances&country=us" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
toxic chemicals 2,400 $0 11/20
chemicals examples 1,600 $0 16/20
harmful chemical substances 390 $7.68 10/20
harmful chemicals list 320 $0 10/20
toxic chemicals list 320 $0 10/20
dangerous substances 260 $0 11/20
list of dangerous chemicals 140 $0 10/20
list 10 harmful substances 70 $0 14/20
toxic material examples 40 $0 12/20
example of toxic material 40 $0 11/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=list+20+common+harmful+substances&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt